The sky on April 5, 1997 — as it really was
That day the Sun stood in Pisces, while the horoscope says "Aries". The gap is 23.8° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 15.7° · sign Aries · constellation Pisces
- ☽︎ Moon — 348.7° · sign Pisces · constellation Aquarius
- ☿︎ Mercury — 34.8° · sign Taurus · constellation Aries
- ♀︎ Venus — 16.5° · sign Aries · constellation Pisces
- ♂︎ Mars — 169.9° · sign Virgo · constellation Leo
- ♃︎ Jupiter — 315.8° · sign Aquarius · constellation Capricornus
- ♄︎ Saturn — 10.9° · sign Aries · constellation Cetus
- ☽︎ Moon 6% illuminated
astronomy-engine ephemerides (VSOP87/ELP), IAU 1930 constellation boundaries. Positions accurate to a fraction of a degree.
The day’s dossier, from real data
Checkable facts with a tag and a source; the classical reading is in the chart.
- The Moon that day [EXACT]
waning crescent, 6% lit; the Moon was 361,520 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
29.5 orbits of the Sun — 27,724 million km, that is 36,061 return trips to the Moon; 10,775 rotations of Earth; with the Sun — 214.1 billion km around the Galactic centre, 8.3 light-days.
29.78 km/s along the orbit; 230 km/s around the Galactic centre - Mars then and now [EXACT]
On that day Mars was 103 million km away; today it is 245 million km (farther by 2.4×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 23, right at the minimum (5% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on May 10, 2027; Jupiter — in 2033; a full moon exactly on this date — April 4, 2061
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 1,476″ since that day; the real constellations now sit 23.8° away from the astrologers’ “signs”.
precession 50.29″/yr - Picture of the day [EXACT]
NASA Astronomy Picture of the Day for this date: apod.nasa.gov/apod/ap970405.html
NASA APOD
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